Lumimate 2x4 Feet 50w Ultra Thin Edge-Lit 4000k Neutral White Drop Ceiling Dimmable LED Light Panel Fixture (ETL,DLC)(2-Pack) Aluminum white PMMA 24x48 inch 50W 4000K 5500 Lumen LED panel Dimmable: 0/1 ~ 10V 50,000 hour life at L70 standards Input Voltage: AC100-277V, 50/60Hz Certification: ETL, DLC, FCC